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// ¶¨ÒåÒ»¸öº¯Êý - add
function add(a, b) {
add.invokeTimes++;
return a + b;
}
// ÒòΪº¯Êý±¾ÉíÒ²ÊǶÔÏó£¬ÕâÀïΪº¯Êýadd¶¨ÒåÒ»¸öÊôÐÔ£¬ÓÃÀ´¼Ç¼´Ëº¯Êý±»µ÷ÓõĴÎÊý
add.invokeTimes = 0;
add(1 + 1);
add(2 + 3);
console.log(add.invokeTimes); // 2
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// ¹¹Ô캯Êý
function Person(name, sex) {
this.name = name;
this.sex = sex;
}
// ¶¨ÒåPersonµÄÔÐÍ£¬ÔÐÍÖеÄÊôÐÔ¿ÉÒÔ±»×Ô¶¨Òå¶ÔÏóÒýÓÃ
Person.prototype = {
getName: function() {
return this.name;
},
getSex: function() {
return this.sex;
}
}
ÕâÀïÎÒÃǰѺ¯ÊýPerson³ÆÎª¹¹Ô캯Êý£¬Ò²¾ÍÊÇ´´½¨×Ô¶¨Òå¶ÔÏóµÄº¯Êý¡£¿ÉÒÔ¿´³ö£¬JavaScriptͨ¹ý¹¹Ô캯ÊýºÍÔÐ͵ķ½Ê½Ä£ÄâʵÏÖÁËÀàµÄ¹¦ÄÜ¡£
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var zhang = new Person("ZhangSan", "man");
console.log(zhang.getName()); // "ZhangSan"
var chun = new Person("ChunHua", "woman");
console.log(chun.getName()); // "ChunHua"
µ±´úÂëvar zhang =
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function urlencode( str ) {
// http://kevin.vanzonneveld.net
// + original by: Philip Peterson
// + improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
// * example 1: urlencode('Kevin van Zonneveld!');
// * returns 1: 'Kevin+van+Zonneveld%21'
&nb ......
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function testOne() {
var url = "testOne_test.do?expr="+ÄãºÃ;
location = encodeURI(url);
}
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String expr = ne ......
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(1) arguments¶ÔÏó:
function(){
//arguments¶ÔÏóÊÇArguments¶ÔÏóʵÀý£¬ÊÇÒ»¸öÀàÊý×é¶ÔÏ󣬲¢ÓµÓÐÏÂÁз½·¨
alert(arguments instanceof Array);//false
arguments.callee(); //¶Ô×ÔÉíµÄµ÷Ó㬠ÓÃÓڵݹé
var c = arguments.caller; //¶Ôµ÷ÓÃ×ÔÉíº¯ÊýµÄ¸¸º¯Êý, Èç¹û ......